Novel Quaternary TlGaSn2Se6 Single Crystal as Promising Material for Laser Operated Infrared Nonlinear Optical Modulators oleh Oleh V. Parasyuk, Volodymyr S. Babizhetskyy, Oleg Y. Khyzhun, Volodymyr O. Levytskyy, Iwan V. Kityk, Galyna L. Myronchuk, Oksana V. Tsisar, Lyudmyla V. Piskach, Jaroslaw Jedryka, Artur Maciag, Michal Piasecki